Home / 54,654.95-81,974.63-17,214.05

Finding the Fourth Proportional to 54,654.95, 81,974.63 and 17,214.05

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Solution

The fourth proportional to 54,654.95, 81,974.63 and 17,214.05 is: 25,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.95 : 81,974.63 = 17,214.05 : x
  2. Step 2: Convert to fraction form
    54,654.95/81,974.63 = 17,214.05/x
  3. Step 3: Cross multiply
    54,654.95x = 81,974.63 × 17,214.05
  4. Step 4: Simplify right side
    54,654.95x = 1,411,115,012.71
  5. Step 5: Solve for x
    x = 1,411,115,012.71/54,654.95
  6. Step 6: Final answer
    x = 25,818.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.